From 727b46f4267a8b75f4f575953a293c90cd2e2661 Mon Sep 17 00:00:00 2001
From: drebs <drebs@leap.se>
Date: Wed, 23 Jan 2013 16:26:17 -0200
Subject: Add test for basic email sending.

---
 src/leap/email/smtp/tests/__init__.py       |  8 ++--
 src/leap/email/smtp/tests/test_smtprelay.py | 70 +++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+), 4 deletions(-)
 create mode 100644 src/leap/email/smtp/tests/test_smtprelay.py

(limited to 'src/leap/email/smtp/tests')

diff --git a/src/leap/email/smtp/tests/__init__.py b/src/leap/email/smtp/tests/__init__.py
index 3d72377e..1b2d8bd1 100644
--- a/src/leap/email/smtp/tests/__init__.py
+++ b/src/leap/email/smtp/tests/__init__.py
@@ -1,7 +1,6 @@
-import unittest
-import gnupg
+from leap.email.smtp.smtprelay import GPGWrapper
 import shutil
-import ipdb
+from twisted.trial import unittest
 
 class OpenPGPTestCase(unittest.TestCase):
 
@@ -10,7 +9,7 @@ class OpenPGPTestCase(unittest.TestCase):
     EMAIL      = 'leap@leap.se'
 
     def setUp(self):
-        self._gpg = gnupg.GPG(gnupghome=self.GNUPG_HOME)
+        self._gpg = GPGWrapper(gpghome=self.GNUPG_HOME)
         
         self.assertEqual(self._gpg.import_keys(PUBLIC_KEY).summary(),
                          '1 imported', "error importing public key")
@@ -25,6 +24,7 @@ class OpenPGPTestCase(unittest.TestCase):
     def test_encrypt_decrypt(self):
         text = "simple raw text"
         encrypted = str(self._gpg.encrypt(text, KEY_FINGERPRINT,
+                                          # TODO: handle always trust issue
                                           always_trust=True))
         self.assertNotEqual(text, encrypted, "failed encrypting text")
         decrypted = str(self._gpg.decrypt(encrypted))
diff --git a/src/leap/email/smtp/tests/test_smtprelay.py b/src/leap/email/smtp/tests/test_smtprelay.py
new file mode 100644
index 00000000..5410c75e
--- /dev/null
+++ b/src/leap/email/smtp/tests/test_smtprelay.py
@@ -0,0 +1,70 @@
+from datetime import datetime
+import re
+from leap.email.smtp.smtprelay import (
+    SMTPFactory,   # a ServerFactory
+    #SMTPDelivery, # an object
+    #EncryptedMessage,
+)
+from leap.email.smtp import tests
+from twisted.internet.error import ConnectionDone
+from twisted.test import proto_helpers
+
+
+class TestSmtpRelay(tests.OpenPGPTestCase):
+    
+    IP_REGEX = "(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])";
+    HOSTNAME_REGEX = "(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])";
+    IP_OR_HOST_REGEX = '(' + IP_REGEX + '|' + HOSTNAME_REGEX + ')'
+    
+    CRLF = '\r\n'
+    EMAIL_DATA = [ 'HELO relay.leap.se',
+                   'MAIL FROM: <user@leap.se>',
+                   'RCPT TO: <leap@leap.se>',
+                   'DATA',
+                   'From: User <user@leap.se>',
+                   'To: Leap <leap@leap.se>',
+                   'Date: ' + datetime.now().strftime('%c'),
+                   'Subject: test message',
+                   '',
+                   'This is a secret message.',
+                   'Yours,',
+                   'A.',
+                   '',
+                   '.',
+                   'QUIT' ]
+    SMTP_ANSWERS = [ '220 ' + IP_OR_HOST_REGEX + ' NO UCE NO UBE NO RELAY PROBES',
+                     '250 ' + IP_OR_HOST_REGEX + ' Hello ' + IP_OR_HOST_REGEX + ', nice to meet you',
+                     '250 Sender address accepted',
+                     '250 Recipient address accepted',
+                     '354 Continue' ]
+    
+
+    def setUp(self):
+        super(TestSmtpRelay, self).setUp()
+        self.proto = SMTPFactory(self._gpg).buildProtocol(('127.0.0.1',0))
+        self.transport = proto_helpers.StringTransport()
+        self.proto.makeConnection(self.transport)
+
+
+    def tearDown(self):
+        self.proto.setTimeout(None)
+        super(TestSmtpRelay, self).tearDown()
+
+    
+    def assertMatch(self, string, pattern, msg=None):
+        if not re.match(pattern, string):
+            msg = self._formatMessage(msg, '"%s" does not match pattern "%s".'
+            % (string, pattern))
+            raise self.failureException(msg)
+
+
+    def test_send_email(self):
+        """
+        If L{smtp.SMTP} receives an empty line, it responds with a 500 error
+        response code and a message about a syntax error.
+        """
+        for i, line in enumerate(self.EMAIL_DATA):
+            self.proto.lineReceived(line+self.CRLF)
+            self.assertMatch(self.transport.value(),
+                             self.CRLF.join(self.SMTP_ANSWERS[0:i+1]))
+
-- 
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